[  473.827642] netdevsim netdevsim469 eni469np1: renamed from eth0
[  473.827812] netdevsim netdevsim540 eni540np1: renamed from eth1
[  473.911837] Could not find device with ifindex 2000 in netnsfd 11
[  473.911929] Could not find netns with fd: 2000
[  473.911971] Cannot link a netdevsim to itself
[  473.912020] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).